Top Posters
Since Sunday
b
4
o
3
s
3
j
3
b
3
m
3
K
3
g
3
L
3
w
3
m
3
j
3
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
mrsbmarie mrsbmarie
wrote...
Go to Answer
Posts: 291
Rep: 0 0
6 years ago
During intense physical exercise, human cells and tissues increase their need for oxygen to provide the ATP necessary for work. Why does heart rate have to increase to meet the need for oxygen?
Read 50 times
1 Reply
Replies
Answer verified by a subject expert
Mhartman97Mhartman97
wrote...
#1
Posts: 194
Rep: 36 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
This verified answer contains over 100 words.
1

Related Topics

mrsbmarie Author
wrote...

6 years ago
Good timing, thanks!
54321abs
wrote...

Yesterday
Correct Slight Smile TY
jakechambo3
wrote...

2 hours ago
this is exactly what I needed
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1118 People Browsing
 137 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 293
  
 482
  
 506
Your Opinion
Which country would you like to visit for its food?
Votes: 261
Previous poll results: Which is the best fuel for late night cramming?